Key Questions for Working Group Theme Three: Ecosystem Services

1. What is the state of the art in making use of the ecosystem services?
2. How can we make a more sustainable use of ecosystem services?
3. What are limiting, hindering and promoting factors?
4. What is the respective role of Ecological Engineering, Ecological Economics, Ecological Modeling and Ecosystem Health?
5. What frame conditions and implementation strategies are needed?
6. What are key problems to be solved in the future?